/* Test restarting behaviour of wcsrtombs. Copyright (C) 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Bruno Haible <haible@ilog.fr>. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ #include <stdio.h> #include <string.h> #include <wchar.h> #include <locale.h> #define show(expr, nexp, srcexp, bufexp) \ { \ size_t res = expr; \ printf (#expr " -> %Zd", res); \ dst += res; \ printf (", src = srcbuf+%td, dst = buf+%td", \ src - srcbuf, dst - (char *) buf); \ if (res != nexp || src != (srcexp) || dst != (char *) (bufexp)) \ { \ printf (", expected %Zd and srcbuf+%td and buf+%td", nexp, \ (srcexp) - srcbuf, (bufexp) - (unsigned char *) buf); \ result = 1; \ } \ putc ('\n', stdout); \ } int main (void) { unsigned char buf[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; const unsigned char bufcheck[6] = { 0x25, 0xe2, 0x82, 0xac, 0xce, 0xbb }; const wchar_t srcbuf[4] = { 0x25, 0x20ac, 0x03bb, 0 }; mbstate_t state; const wchar_t *src; char *dst; int result = 0; const char *used_locale; setlocale (LC_CTYPE, "de_DE.UTF-8"); /* Double check. */ used_locale = setlocale (LC_CTYPE, NULL); printf ("used locale: \"%s\"\n", used_locale); result = strcmp (used_locale, "de_DE.UTF-8"); memset (&state, '\0', sizeof (state)); src = srcbuf; dst = (char *) buf; show (wcsrtombs (dst, &src, 1, &state), 1, srcbuf + 1, buf + 1); show (wcsrtombs (dst, &src, 1, &state), 0, srcbuf + 1, buf + 1); show (wcsrtombs (dst, &src, 4, &state), 3, srcbuf + 2, buf + 4); show (wcsrtombs (dst, &src, 2, &state), 2, srcbuf + 3, buf + 6); if (memcmp (buf, bufcheck, 6)) { puts ("wrong results"); result = 1; } return result; }